John Nelson

John Nelson (1 June 1791-18 January 1860) was a member of the US House of Representatives (DR-MD 4) from 4 March 1821 to 3 March 1823 (succeeding Samuel Ringgold and preceding John Lee) and US Attorney General from 1 July 1843 to 4 March 1845 (succeeding Hugh S. Legare and preceding John Y. Mason).

Biography
John Nelson was born in Frederick, Maryland in 1791, the fourth child of Roger Nelson. He became a lawyer in 1813 and served in the US House of Representatives from 1821 to 1823 before serving as charge d'affaires to the Two Sicilies from 1831 to 1832 and as Attorney General from 1843 to 1845. He retired to Baltimore and died there in 1860.